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$99+ Cheap flights from Boise (BOI) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Boise to Colorado

Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated June 18, 2025.

Round-trip from

$149
(Frontier)

One-way from

$99
(Frontier)

Popular in

November

Cheapest in

May

Average price

$303

Good round-trip deal

$336 or less

Good one-way deal

$177 or less
From Boise Air Term. Gowen Fld to Colorado
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One-way flight from Boise Air Term. Gowen Fld to Colorado
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to Colorado.
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Price to beat on a one-way flight from Boise Air Term. Gowen Fld to Colorado.
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Find flight deals from Boise to Colorado

Cheapest flights from Boise to Colorado
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Frontier deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:53 pmBOI - DEN
Nonstop2h 00mFrontier
Sun 9/289:48 amDEN - BOI
Nonstop1h 55mFrontier
Deal found 6/16$149
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:45 pmBOI - DEN
1 stop6h 14mHawaiian Airlines
Mon 10/67:02 pmDEN - BOI
1 stop4h 55mHawaiian Airlines
Deal found 6/16$197
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:35 amBOI - DEN
1 stop7h 31mAlaska Airlines
Wed 10/87:02 pmDEN - BOI
1 stop4h 55mAlaska Airlines
Deal found 6/16$210
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:42 pmBOI - DEN
Nonstop1h 57mUnited Airlines
Wed 8/68:20 pmDEN - BOI
Nonstop2h 07mUnited Airlines
Deal found 6/16$211
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:05 pmBOI - DEN
Nonstop1h 55mSouthwest
Wed 8/68:30 amDEN - BOI
1 stop6h 40mSouthwest
Deal found 6/16$221
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amBOI - DEN
1 stop3h 42mDelta
Wed 10/86:30 amDEN - BOI
1 stop7h 57mDelta
Deal found 6/16$231
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:10 pmBOI - COS
1 stop4h 06mDelta
Wed 7/95:55 pmCOS - BOI
1 stop6h 14mDelta
Deal found 6/17$235
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:53 pmBOI - DEN
2 stops9h 12mAmerican Airlines
Sat 9/133:07 pmDEN - BOI
1 stop4h 55mAmerican Airlines
Deal found 6/18$246
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:42 pmBOI - COS
1 stop6h 10mUnited Airlines
Tue 7/86:35 pmCOS - BOI
1 stop3h 52mUnited Airlines
Deal found 6/17$253
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/35:25 pmBOI - COS
1 stop5h 10mSouthwest
Fri 10/108:10 pmCOS - BOI
1 stop4h 30mSouthwest
Deal found 6/17$297
This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:52 amBOI - COS
2 stops11h 00mAmerican Airlines
Tue 7/85:00 amCOS - BOI
2 stops8h 18mAmerican Airlines
Deal found 6/17$373
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/67:00 amBOI - MTJ
1 stop5h 48mUnited Airlines
Wed 7/97:15 amMTJ - BOI
1 stop6h 14mUnited Airlines
Deal found 6/18$466

Cheapflights Fare Finder

Customize your flight search to find flights from Boise to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.

Fly from

Boise

Fly to

Colorado

Route

Depart

Return

Price

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 8/14

12:36 pm-2:36 pm

Nonstop2h 00m

Denver Intl

Sun 8/17

9:50 am-11:46 am

Nonstop1h 56m

$149

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Mon 8/4

8:25 pm-10:37 am

1 stop14h 12m

Denver Intl

Tue 8/5

3:03 pm-10:46 pm

1 stop7h 43m

$210

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/5

5:42 pm-7:39 pm

Nonstop1h 57m

Denver Intl

Wed 8/6

8:20 pm-10:27 pm

Nonstop2h 07m

$211

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/10

9:00 am-5:21 pm

1 stop8h 21m

Denver Intl

Sat 9/13

11:40 am-4:50 pm

1 stop5h 10m

$217

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Tue 8/5

4:05 pm-6:00 pm

Nonstop1h 55m

Denver Intl

Wed 8/6

8:30 am-3:10 pm

1 stop6h 40m

$221

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Thu 8/28

3:45 pm-11:49 pm

1 stop8h 04m

Denver Intl

Sun 8/31

6:25 pm-10:40 pm

1 stop4h 15m

$234

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

Wed 7/2

6:10 pm-10:16 pm

1 stop4h 06m

Colorado Springs

Wed 7/9

5:55 pm-12:09 am

1 stop6h 14m

$235

BoiseDenver

BOI - DEN

BOIDEN

Boise Air Term. Gowen Fld

Wed 9/10

1:53 pm-11:05 pm

2 stops9h 12m

Denver Intl

Sat 9/13

3:07 pm-8:02 pm

1 stop4h 55m

$246

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

Wed 7/2

5:42 pm-11:52 pm

1 stop6h 10m

Colorado Springs

Tue 7/8

6:35 pm-10:27 pm

1 stop3h 52m

$253

BoiseColorado Springs

BOI - COS

BOICOS

Boise Air Term. Gowen Fld

Fri 10/3

5:25 pm-10:35 pm

1 stop5h 10m

Colorado Springs

Fri 10/10

8:10 pm-12:40 am

1 stop4h 30m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 26 results
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Best time to book a flight from Boise to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Colorado

What is the cheapest month to book a flight from Boise to Colorado?

Currently, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to CO?

Find hourly flight availability from Boise to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Colorado as you normally would.

Weekly flight availability from Boise to Colorado

Explore weekly flight availability from Boise to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 18, 2025.

The most flights from BOI to USCO are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated June 18, 2025.
To help decide which airline to fly from Boise to Colorado, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boise to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Colorado?

    For a flight from Boise to Colorado, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city.

  • How popular is this Boise to Colorado flight route?

    Within the past month, 98 users have taken a look at flights from Boise Air Term. Gowen Fld to Colorado.

  • What are the cheapest airlines to fly from Boise to Colorado one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $99. United Airlines flights start at $106 while deals on Alaska Airlines start at $108 one-way.

  • What are the most popular routes from Boise to Colorado?

    The most popular route from Boise to Colorado is Boise Air Term. Gowen Fld - Denver Intl. You may also consider Boise Air Term. Gowen Fld - Colorado Springs or Boise Air Term. Gowen Fld - Montrose County.

  • What are the most reliable airlines from Boise to Colorado?

    Consider SkyWest Airlines (90%), United Airlines (78%) or Air Canada (70%) when booking your flight. These represent the most reliable airlines when flying from Boise to Colorado.

  • What are the cheapest flights from Boise to Colorado?

    While on average a flight from Boise to Colorado is generally $778, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Boise Air Term. Gowen Fld - Denver Intl), you can expect to pay $211 for that flight.

  • Can I find deals for flights from Boise to Colorado that include hotel bookings?

    Yes. In addition to deals on Boise to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Colorado.

  • Can I find deals for business class flights from Boise to Colorado?

    Yes. Cheapflights offers flight deals from Boise to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Boise to Colorado (average of $197). Flying from Boise to Colorado in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Boise to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boise to Colorado

Discover the top 5 airlines that operate flights from Boise to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$153FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$303FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$191Average$387FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$197Average$411FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$207Average$319FlexibilityNo cancel feeOn-time63%

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